1. Faculty of Chemistry, University of Latvia, Jelgavas iela 1, LV-1004, Riga, Latvia
2. Latvian Institute of Organic Synthesis, Aizkraukles iela 21, LV-1006, Riga, Latvia
3. Laboratoire Sciences et Méthodes Séparatives (SMS), UR 3233, Université de Rouen Normandie, F-76000, Rouen, France